    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Document</title>
        <meta name="viewport"
              content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no"/>
    </head>
    <body>
        <div id="app">
        </div>    
        <style>
        
        </style>
    </body>
    </html>